[1] Univ Michigan, Dept Neurol, Sleep Disorders Ctr, Ann Arbor, MI 48109 USA
[2] VA Ann Arbor Healthcare Syst, Sleep Med Sect, Ambulatory Care Serv, Ann Arbor, MI 48109 USA
[3] Univ Penn, Dept Med, Div Sleep Med, Philadelphia, PA 19104 USA
[4] Childrens Mercy Kansas City, Div Pulm & Sleep Med, Kansas City, MO USA
[5] Univ Missouri, Sch Med, Kansas City, MO 64108 USA
[6] Sanford Hlth, Fargo, ND USA
[7] Olmsted Med Ctr, Rochester, MN USA
[8] Burrell Behav Hlth, Springfield, MO USA
[9] Advocate Hlth Care, Park Ridge, IL USA
[10] Emory Univ, Sch Med, Atlanta, GA USA
[11] Atlanta VA Med Ctr, Decatur, GA USA
[12] Carl R Darnall Army Med Ctr, Ft Hood, TX USA
[13] Kaiser Permanente, Fontana, CA USA
[14] Dream Sleep Med, Frisco, TX USA
[15] Vet Affairs Northeast Ohio Hlth Syst, Cleveland, OH USA
[16] Atrium Hlth, Sleep Med, Charlotte, NC USA
[17] De Paul Univ, Chicago, IL 60614 USA
[18] Phoenix Childrens Hosp, Phoenix, AZ USA
[19] Emory Univ, Sch Med, Dept Neurol, Atlanta, GA 30322 USA
[20] Emory Healthcare, Emory Sleep Ctr, Atlanta, GA USA
[21] Yale Univ, Sch Med, Dept Med, Yale Ctr Sleep Med,Div Pulm Crit Care & Sleep Med, New Haven, CT 06510 USA
[22] Harvard Med Sch, Div Sleep & Circadian Disorders, Brigham & Womens Hosp, Boston, MA 02115 USA